Toyota Sienna Service Manual: Terminals of ECU
1. CHECK DISTANCE CONTROL ECU
- Reference: waveform 1
HINT:
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 ms./DIV.
- Condition: ignition switch in the ON position
- Reference: waveform 2
HINT:
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 ms./DIV.
- Condition: ignition switch in the ON position
2. CHECK ECM
If the value is not within the specified range, the ECM may have a malfunction.
3. CHECK LASER SENSOR
- Reference: waveform 1
HINT:
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 ms./DIV.
- Condition: ignition switch in the ON position
- Reference: waveform 2
HINT:
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 ms./DIV.
- Condition: ignition switch in the ON position
4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Re ...
Diagnosis system
1. DIAGNOSIS FUNCTION
The diagnosis function makes the light and the
multi-information display come on, and the CRUISE
main indicator light blink as shown in the illustration.
When ...
Other materials:
Installation
1. INSTALL CIGARETTE LIGHTER ASSEMBLY
Engage the 2 claws to install the cigarette lighter
assembly.
Install the cigarette lighter knob.
2. INSTALL CIGARETTE LIGHTER COVER
Engage the 2 claws to install the cigarette lighter
cover.
3. INSTALL INSTRUMENT CL ...
How to proceed with
troubleshooting
HINT:
The intelligent tester can be used in steps 2, 3, 4, 6 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CONNECT INTELLIGENT TESTER TO DLC3
HINT:
If the display indicates a communication fault in the tester,
inspect the DLC3.
3 CHECK DTC AND FREEZE FRAME DATA
(a) Check for DTC(s) and freeze f ...
Only Wireless Door Lock Control Function does not Operate
DESCRIPTION
The door control receiver receives a signal from the transmitter and sends
this signal to the multiplex
network body ECU. Then, the multiplex network body ECU controls operation of the
door locks and power
windows.
Then, the power slide door ECU causes the power slide door to o ...
